The acceptable light levels for fiber optic communications are dependent on the optical power budget and receiver sensitivity--learn more in our brief article.
Loss budget: How much light can you lose and still maintain
Quantifying Light: Intensity, Uniformity Hold the Key
Acceptable Light Levels for Fibers and the Optical Power Budget, System Analysis Blog
fibers, explained by RP; applications, fiber optics, single-mode
Optical Loss & Testing Overview
Optical Power Meters: Understand Their Uses and Internals
Say No To Obsolescence, Wire Up Your House With Fiber
Fiber Optic Receivers Selection Guide: Types, Features
Optical Power Meter (OPM): A Must for Fiber Cable Testing
Choosing between Single Mode vs Multimode Optical Fiber
Optical Fiber Loss and Attenuation – Fosco Connect
How Do We Use Optical Power Budgets?
Introduction to Optical Fibers, dB, Attenuation and Measurements